Home / 1,550,658.06-2,139,594.45-905,953.74

Finding the Fourth Proportional to 1,550,658.06, 2,139,594.45 and 905,953.74

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Solution

The fourth proportional to 1,550,658.06, 2,139,594.45 and 905,953.74 is: 1,250,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,658.06 : 2,139,594.45 = 905,953.74 : x
  2. Step 2: Convert to fraction form
    1,550,658.06/2,139,594.45 = 905,953.74/x
  3. Step 3: Cross multiply
    1,550,658.06x = 2,139,594.45 × 905,953.74
  4. Step 4: Simplify right side
    1,550,658.06x = 1,938,373,594,060.74
  5. Step 5: Solve for x
    x = 1,938,373,594,060.74/1,550,658.06
  6. Step 6: Final answer
    x = 1,250,032.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.